Doctor profile · Federal record
Dr. Katherine Sahm, MD
Surgery Physician (CMS: General Surgery) · Wilmington, DE
- NPI 1649201849
- Accepts Medicare
- 26 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1100 N Grant Ave, 2Nd Floor
Wilmington, DE 198052671
(302) 421-4100
fax (302) 421-4100
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- May 12, 2014
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 208600000X — NUCC code
- State license (1)
- Delaware #DE-C1-0007575
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1649201849. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
205
Distinct HCPCS
10
Medicare allowed
$29,379
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 36 | 30 | $91 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 32 | 32 | $127 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 30 | 23 | $79 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 22 | 22 | $129 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 18 | 18 | $83 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 15 | 15 | $108 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 14 | 14 | $168 | |
47562 |
Removal of gallbladder using an endoscope | 13 | 13 | $667 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 13 | 11 | $50 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 12 | 12 | $169 |
In context: peer comparison
Among 7 peers in this city , average services per provider: 48. This provider delivers 4.3× the peer median.Open Payments
Industry payments received
All-time total
$5,407
Transactions
18
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| INTUITIVE SURGICAL, INC. | 18 | $5,407.15 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
12
Patients
11
Total drug cost
$15
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gabapentin | Generic | 12 | 11 | $15 |
Hospital affiliations
Frequently asked questions
What is Dr. Katherine Sahm's medical specialty?
Dr. Katherine Sahm practices Surgery Physician in Wilmington, DE.
Where does Dr. Katherine Sahm practice?
Dr. Katherine Sahm practices at 1100 N Grant Ave, Wilmington, DE 198052671. Office phone: 3024214100.
What is Dr. Katherine Sahm's NPI?
Dr. Katherine Sahm's National Provider Identifier (NPI) is 1649201849, issued by NPPES.
Does Dr. Katherine Sahm accept Medicare assignment?
Yes. Dr. Katherine Sahm accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Sahm commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.